diff --git a/plugins/Common.php b/plugins/Common.php
index 77416c7..993546a 100644
--- a/plugins/Common.php
+++ b/plugins/Common.php
@@ -11,6 +11,9 @@ Class Common {
             '<',
             '>',
             '\/',
+            ' ',
+            ';',
+            '；',
         );
 
         return str_replace($findChars, '', $str);
diff --git a/themes/tajian/controller/FrontapiController.php b/themes/tajian/controller/FrontapiController.php
index 243de46..fb9ab45 100644
--- a/themes/tajian/controller/FrontapiController.php
+++ b/themes/tajian/controller/FrontapiController.php
@@ -894,6 +894,7 @@ eof;
             if (empty($tag_to_add)) {
                 $err = "参数错误，缺少tag传参";
             }else {
+                $tag_to_add = Common::cleanSpecialChars($tag_to_add);
                 $tagLen = mb_strlen($tag_to_add, 'utf-8');
                 if ($tagLen < 2 || $tagLen > 15) {
                     $err = '分类名长度不符合规则，请填写 2 - 15 个汉字、数字、英文字符';